#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int year=0;
	int month = 0;
	int day = 0;

	scanf("%d%*c%d%*c%d", &year, &month, &day);

	printf("%d-%d-%d\n", year, month, day);

	return 0;
}